64280247

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 91834752

約数和(自身を除く): 27554505

約数列:

[1, 3, 17, 51, 151, 289, 453, 491, 867, 1473, 2567, 7701, 8347, 25041, 43639, 74141, 130917, 141899, 222423, 425697, 1260397, 3781191, 21426749, 64280247]

約数ペア:

[(1, 64280247), (3, 21426749), (17, 3781191), (51, 1260397), (151, 425697), (289, 222423), (453, 141899), (491, 130917), (867, 74141), (1473, 43639), (2567, 25041), (7701, 8347)]